Adds ability for pre-target accelerators to not consume events

services/ui/public/cpp/tests/window_server_test_base.h

Index: services/ui/public/cpp/tests/window_server_test_base.h
diff --git a/services/ui/public/cpp/tests/window_server_test_base.h b/services/ui/public/cpp/tests/window_server_test_base.h
index 1a9ea5c53da34868756d3cfbf211b2eebbc1150e..adca52e4c0192632b95011856f9159e71fe44dcc 100644
--- a/services/ui/public/cpp/tests/window_server_test_base.h
+++ b/services/ui/public/cpp/tests/window_server_test_base.h
@@ -82,7 +82,8 @@ class WindowServerTestBase
   void OnWmClientJankinessChanged(const std::set<Window*>& client_windows,
                                   bool not_responding) override;
   void OnWmNewDisplay(Window* window, const display::Display& display) override;
-  void OnAccelerator(uint32_t id, const ui::Event& event) override;
+  mojom::EventResult OnAccelerator(uint32_t accelerator_id,
+                                   const ui::Event& event) override;
 
   // InterfaceFactory<WindowTreeClient>:
   void Create(shell::Connection* connection,